A new paper from a team of Cornell University researchers shows that the highly pathogenic avian influenza H5N1 virus causes ...

For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

Bird flu has been detected in Arizona dairy cattle milk, and a dairy farm has been placed under quarantine as a precaution, according to officials.

A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian influenza.

The Central Nevada Health District confirmed the infection in a news release issued on Monday. Dairy worker in Nevada becomes second person in nation to be infected with the bird flu. The worker ...

A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading in U.S. herds since last year, federal health officials said Monday.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle.